From 7c3aab2ea2636a3cb163b24f044576a88ac4c321 Mon Sep 17 00:00:00 2001
From: Florian La Roche <florian.laroche@gmail.com>
Date: Mon, 22 Nov 2021 08:41:03 +0100
Subject: [PATCH] gcc warning for sign conversion

See patch #10143
---
 test/unit/lwip_unittests.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/test/unit/lwip_unittests.c b/test/unit/lwip_unittests.c
index a7055464..9fde40e6 100644
--- a/test/unit/lwip_unittests.c
+++ b/test/unit/lwip_unittests.c
@@ -26,7 +26,7 @@
 unsigned int
 lwip_port_rand(void)
 {
-  return rand();
+  return (unsigned int)rand();
 }
 
 Suite* create_suite(const char* name, testfunc *tests, size_t num_tests, SFun setup, SFun teardown)